Home / 1,433,683.60-1,978,468.16-789,089.96

Finding the Fourth Proportional to 1,433,683.60, 1,978,468.16 and 789,089.96

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Solution

The fourth proportional to 1,433,683.60, 1,978,468.16 and 789,089.96 is: 1,088,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,683.60 : 1,978,468.16 = 789,089.96 : x
  2. Step 2: Convert to fraction form
    1,433,683.60/1,978,468.16 = 789,089.96/x
  3. Step 3: Cross multiply
    1,433,683.60x = 1,978,468.16 × 789,089.96
  4. Step 4: Simplify right side
    1,433,683.60x = 1,561,189,361,235.67
  5. Step 5: Solve for x
    x = 1,561,189,361,235.67/1,433,683.60
  6. Step 6: Final answer
    x = 1,088,935.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.